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Select your affordable Downton extension builder
Benjamin Belsey
Arkson builders ltd is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote and com...
Alex Molyneux
We specialise in Epoxy Resin and Polyurethane floor coatings and screeds (very durable and seamless flooring), designed for retail, factories, manu...
From £26,152
Need an Extension Builder in Downton? Moores Build has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
From £25,312
Noel Higginson
NHBC takes great pride in what it does with a very high attention to detail
From £26,040
Downton, SP5
Need an Extension Builder in Downton? BARTITIONS DESIGN & BUILD LTD has been helping local clients (20 mile radius) with their extension builderin...
From £26,144
Need to find an Extension Builder near you for all your extension buildering work?
MILESTONE BUILDING CONTRACTORS provides a local, trusted...
From £26,208
Downton, SP5
STEWART BUILDERS is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote and compet...
From £26,312
Shape Project Management is an established and experienced local extension builder in Downton. Please contact us for a free, no obligation quote an...
From £25,872
Downton, SP5
Need to find an Extension Builder near you for all your extension buildering work?
R F S BUILDERS provides a local, trusted extension build...
From £26,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A timber frame extension built in Downton typically ranges from £24,848 (Floortrak Limited based in SO51) to £26,312 (Shape Project Management based in SP5), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build a timber frame extension in Downton by posting a job with HaMuch and we'll send it to extension builders in Downton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Salisbury | £35 | £247 |
| Build A Timber Frame Extension near New Forest | £32 | £245 |
| Build A Timber Frame Extension near Romsey | £32 | £230 |
| Build A Timber Frame Extension near Test Valley | £37 | £261 |
| Build A Timber Frame Extension near Totton | £34 | £243 |
| Build A Timber Frame Extension near Chandler's Ford | £34 | £245 |
| Build A Timber Frame Extension near Eastleigh | £34 | £244 |
| Build A Timber Frame Extension near Southampton | £34 | £243 |
| Build A Timber Frame Extension near Andover | £40 | £248 |
| Build A Timber Frame Extension near Christchurch | £36 | £251 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,410

Two storey extension - £87,866

Build a timber frame extension - £25,910

Build a swimming pool - £80,910

Single storey extension - £53,208

Side return extension - £40,492

Install an RSJ - £2,110

Outbuilding - £9,910

Build a Mansard loft conversion - £51,910

Loft conversion - £32,910

Build a kitchen extension - £41,910

Hip to gable loft conversion - £41,910

Granny annexe - £86,910

Garden office - £9,910

Convert a Garage - £15,910

Garage - £18,410

Build a flat roof extension - £21,910

Build a dormer loft conversion - £41,910

Concrete foundations - £6,160

Convert a bungalow loft - £28,910

Convert a basement - £36,492